National Semiconductor LM2931CS/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.32 | $4.32 |
| 15+ | $0.99 | $14.85 |
| 25+ | $0.97 | $24.25 |
| 50+ | $0.92 | $46.00 |
| 100+ | $0.81 | $81.00 |
| N+ | $0.16 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 26V |
| Voltage - Output (Min/Fixed) | 3V |
| Voltage - Output (Max) | 24V |
| Voltage Dropout (Max) | 0.3V @ 100mA |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 1 mA |
| Current - Supply (Max) | 15 mA |
| PSRR | 55dB (120Hz) |
| Control Features | - |
| Protection Features | Over Temperature, Reverse Polarity, Short Circuit |
| Operating Temperature | -40°C ~ 85°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Supplier Device Package | TO-263 (DDPAK-5) |
| ROHS |  |
The LM2931CS/NOPB is a low dropout linear regulator from National Semiconductor, offering a fixed 24V output. It is capable of sourcing 100mA with a dropout voltage of just 0.3V. Housed in a TO-263 (DDPAK-5) package, it features a quiescent current of 1mA and 55dB PSRR at 120Hz, making it a robust solution for industrial and automotive applications.
- High Voltage Output: Provides a stable 24V rail for industrial and automotive systems.
- Low Dropout: 0.3V dropout at 100mA ensures efficient operation from a 24V input.
- Thermally Efficient Package: TO-263 package dissipates heat effectively for reliable performance.
- Good Ripple Rejection: 55dB PSRR at 120Hz filters mains-related noise.
Automotive Electronics
The 24V output and 55dB PSRR at 120Hz make it suitable for powering sensors and microcontrollers in 24V vehicle electrical systems.
Industrial Control Systems
With a 0.3V dropout at 100mA, it provides a stable 24V rail for PLCs and industrial actuators from a 24V bus.
Telecommunication Equipment
Its robust TO-263 package handles thermal stress in base stations, delivering clean power for line interface circuits.
HVAC Controllers
The low quiescent current and high voltage rating support always-on control logic in building automation systems.
Power Supply for Op-Amps
It can serve as a post-regulator to reduce ripple from a switching supply, providing a quiet 24V rail for precision analog circuits.
- Q: What is the output voltage of the LM2931CS/NOPB?
- A: The fixed output voltage is 24V.
- Q: What is the maximum output current?
- A: It can deliver up to 100mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.3V at 100mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 1 mA.
- Q: What package is available?
- A: It comes in a TO-263 (DDPAK-5) package.
LM2931CS/NOPB.pdf
- Q: What is the output voltage of the LM2931CS/NOPB?
- A: The fixed output voltage is 24V.
- Q: What is the maximum output current?
- A: It can deliver up to 100mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.3V at 100mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 1 mA.
- Q: What package is available?
- A: It comes in a TO-263 (DDPAK-5) package.
